Home / 105,955.92-146,219.24-58,212.35

Finding the Fourth Proportional to 105,955.92, 146,219.24 and 58,212.35

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Solution

The fourth proportional to 105,955.92, 146,219.24 and 58,212.35 is: 80,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,955.92 : 146,219.24 = 58,212.35 : x
  2. Step 2: Convert to fraction form
    105,955.92/146,219.24 = 58,212.35/x
  3. Step 3: Cross multiply
    105,955.92x = 146,219.24 × 58,212.35
  4. Step 4: Simplify right side
    105,955.92x = 8,511,764,553.46
  5. Step 5: Solve for x
    x = 8,511,764,553.46/105,955.92
  6. Step 6: Final answer
    x = 80,333.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.